18243068 has 12 divisors (see below), whose sum is σ = 32310600. Its totient is φ = 9011472.

The previous prime is 18243067. The next prime is 18243083. The reversal of 18243068 is 86034281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18243067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27143 + ... + 27806.

It is an arithmetic number, because the mean of its divisors is an integer number (2692550).

Almost surely, 2^18243068 is an apocalyptic number.

It is an amenable number.

18243068 is a deficient number, since it is larger than the sum of its proper divisors (14067532).

18243068 is a wasteful number, since it uses less digits than its factorization.

18243068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55036 (or 55034 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18243068 is about 4271.1904663688. The cubic root of 18243068 is about 263.2485325765.

The spelling of 18243068 in words is "eighteen million, two hundred forty-three thousand, sixty-eight".